mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-23 00:46:03 +01:00
587 lines
22 KiB
C#
587 lines
22 KiB
C#
/* Copyright (c) Citrix Systems Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Collections.Specialized;
|
|
using System.Globalization;
|
|
using System.Threading;
|
|
using System.IO;
|
|
using System.Net.Security;
|
|
using System.Net.Sockets;
|
|
using System.Security.Authentication;
|
|
using System.Security.Cryptography.X509Certificates;
|
|
using System.Text;
|
|
|
|
|
|
namespace XenOvfTransport
|
|
{
|
|
public class Http
|
|
{
|
|
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
public Action<XenOvfTranportEventArgs> UpdateHandler { get; set; }
|
|
|
|
private void OnUpdate(XenOvfTranportEventArgs e)
|
|
{
|
|
if (UpdateHandler != null)
|
|
UpdateHandler.Invoke(e);
|
|
}
|
|
|
|
internal enum Tag
|
|
{
|
|
Print = 0, Load = 1, HttpGet = 12, HttpPut = 13, Prompt = 3, Exit = 4,
|
|
Error = 14, OK = 5, Failed = 6, Chunk = 7, End = 8, Command = 9, Response = 10,
|
|
Blob = 11, Debug = 15, PrintStderr = 16
|
|
};
|
|
|
|
private TcpClient tcpClient = null;
|
|
private Uri ServerURI;
|
|
|
|
private const int OK = 200;
|
|
private const long KB = 1024;
|
|
private const long MB = (KB * 1024);
|
|
private const long GB = (MB * 1024);
|
|
|
|
public bool Cancel { get; set; }
|
|
|
|
public void Put(Stream readstream, Uri serverUri, string p2vUri, NameValueCollection headers, long offset, long filesize, bool isChunked)
|
|
{
|
|
Stream http = null;
|
|
try
|
|
{
|
|
http = DoHttp("PUT", serverUri, p2vUri, headers);
|
|
if (http == null)
|
|
{
|
|
log.Debug("Http.DoHTTP FAILED");
|
|
return;
|
|
}
|
|
if (isChunked)
|
|
{
|
|
SendChunkedData(http, readstream, offset, filesize);
|
|
}
|
|
else
|
|
{
|
|
SendData(http, readstream, p2vUri, filesize);
|
|
}
|
|
}
|
|
catch (ReConnectException)
|
|
{
|
|
throw;
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
throw;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
log.Error("OVF.Tools.Http.Put: Exception: {0}", ex);
|
|
}
|
|
finally
|
|
{
|
|
if (http != null)
|
|
http.Close();
|
|
http = null;
|
|
}
|
|
}
|
|
|
|
public void Get(string filename, Uri serverUri, string p2vUri)
|
|
{
|
|
try
|
|
{
|
|
using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write))
|
|
{
|
|
Stream http = Connect(serverUri.Host, serverUri.Port);
|
|
String header = "GET " + p2vUri + " HTTP/1.0\r\n\r\n";
|
|
WriteLine(http, header);
|
|
String response = ReadLine(http);
|
|
int code = GetResultCode(response);
|
|
switch (code)
|
|
{
|
|
case 302:
|
|
string url = "";
|
|
while (true)
|
|
{
|
|
response = ReadLine(http);
|
|
if (response.StartsWith("Location: "))
|
|
url = response.Substring(10);
|
|
if (response.Equals("\r\n") || response.Equals("")) break;
|
|
}
|
|
Uri redirect = new Uri(url.Trim());
|
|
http.Close();
|
|
Get(filename, redirect, p2vUri);
|
|
break;
|
|
default:
|
|
http.Close();
|
|
return;
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
response = ReadLine(http);
|
|
if (response.Equals("\r\n") || response.Equals("")) break;
|
|
}
|
|
// Stream should be positioned after the headers
|
|
}
|
|
}
|
|
catch (EndOfStreamException eof)
|
|
{
|
|
log.DebugFormat("Get::No Data: {0}", eof.Message);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
//marshal_response(http, tag.Failed);
|
|
log.ErrorFormat("Get::Exception: {0}", ex.Message);
|
|
}
|
|
}
|
|
|
|
internal Stream DoHttp(String method, Uri serverUri, string p2vUri, NameValueCollection headers)
|
|
{
|
|
ServerURI = serverUri;
|
|
|
|
log.DebugFormat("Connect To: {0}:{1}", serverUri.Host, serverUri.Port);
|
|
Stream http = Connect(serverUri.Host, serverUri.Port);
|
|
String httprequest = string.Format("{0} {1} http:/1.0\r\n", method, p2vUri);
|
|
log.DebugFormat("Request: {0}", httprequest);
|
|
if (http == null)
|
|
{
|
|
throw new Exception("HTTP == NULL");
|
|
}
|
|
WriteLine(http, httprequest);
|
|
WriteMIMEHeaders(http, headers);
|
|
if (CheckResponse(http) != OK)
|
|
{
|
|
http.Close();
|
|
return null;
|
|
}
|
|
return http;
|
|
}
|
|
internal void WriteMIMEHeaders(Stream http, NameValueCollection headers)
|
|
{
|
|
StringBuilder request = new StringBuilder();
|
|
// Create the MIME Headers.
|
|
if (headers != null && headers.Count > 0)
|
|
{
|
|
foreach (string key in headers.Keys)
|
|
{
|
|
request.AppendFormat("{0}: {1}\r\n", key, headers[key]);
|
|
}
|
|
}
|
|
request.Append("\r\n");
|
|
//Log.Debug("HEADERS:\r\n{0}", request.ToString());
|
|
WriteBuffer(http, request.ToString());
|
|
//Log.Debug("MIME Headers Written");
|
|
}
|
|
internal int CheckResponse(Stream http)
|
|
{
|
|
int code = 0;
|
|
String response = ReadLine(http);
|
|
code = GetResultCode(response);
|
|
switch (code)
|
|
{
|
|
case 0:
|
|
{
|
|
log.Debug("No Return data at this time.");
|
|
code = 200;
|
|
break;
|
|
}
|
|
case 200:
|
|
{
|
|
log.Debug("200 OK");
|
|
break;
|
|
}
|
|
case 403:
|
|
{
|
|
log.Debug("403 FORBIDDEN, handler was not found");
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
log.DebugFormat("ERROR Returned: {0}", code);
|
|
break;
|
|
}
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
response = ReadLine(http);
|
|
if (response.Equals("\r\n") || response.Equals(""))
|
|
break;
|
|
}
|
|
return code;
|
|
}
|
|
|
|
internal void SendTestData(Stream http)
|
|
{
|
|
byte[] testBuffer = new byte[KB];
|
|
byte x = 0x70;
|
|
byte y = 0;
|
|
for (int i = 0; i < 1024; i++)
|
|
{
|
|
if ((i % 10) == 0)
|
|
{
|
|
x = 0x70;
|
|
y = 0;
|
|
}
|
|
testBuffer[i] = (byte)(x + y++);
|
|
}
|
|
byte[] message = Encoding.UTF8.GetBytes(string.Format("{0}\r\n", testBuffer.Length));
|
|
http.Write(message, 0, message.Length);
|
|
http.Write(testBuffer, 0, testBuffer.Length);
|
|
message = Encoding.UTF8.GetBytes(string.Format("\r\n0\r\n"));
|
|
http.Write(message, 0, message.Length);
|
|
http.Flush();
|
|
log.DebugFormat("TestBuffer {0} bytes written", testBuffer.Length);
|
|
}
|
|
internal void SendFilesInDirectory(Stream http, string pathname)
|
|
{
|
|
byte[] message;
|
|
|
|
foreach (string file in Directory.GetFiles(pathname))
|
|
{
|
|
byte[] block = File.ReadAllBytes(file);
|
|
|
|
message = Encoding.UTF8.GetBytes(string.Format("{0}\r\n", block.Length));
|
|
http.Write(message, 0, message.Length);
|
|
http.Write(block, 0, block.Length);
|
|
message = Encoding.UTF8.GetBytes(string.Format("\r\n"));
|
|
http.Write(message, 0, message.Length);
|
|
log.DebugFormat("Block [{0}] written", file);
|
|
}
|
|
message = Encoding.UTF8.GetBytes(string.Format("0\r\n"));
|
|
http.Write(message, 0, message.Length);
|
|
http.Flush();
|
|
log.DebugFormat("Finished sending files in: {0}", pathname);
|
|
}
|
|
internal void SendChunkedData(Stream http, Stream filestream, long offset, long filesize)
|
|
{
|
|
byte Zero = 0x0;
|
|
byte[] sizeblock;
|
|
byte[] datablock = new byte[2 * MB];
|
|
byte[] endblock = Encoding.UTF8.GetBytes(string.Format("\r\n"));
|
|
byte[] finalblock = Encoding.UTF8.GetBytes(string.Format("0\r\n"));
|
|
List<byte> fullblock = new List<byte>();
|
|
|
|
long bytessent = offset;
|
|
int i = 0;
|
|
bool skipblock = false;
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileStart, "SendData Start", "Disk Copy", (ulong)offset, (ulong)filesize));
|
|
while (true)
|
|
{
|
|
// Form: chunked
|
|
// size\r\ndata\r\n\r\nsize\r\n\r\n0\r\n
|
|
// 1234
|
|
// asdfasdfasdfasdfsdfd
|
|
//
|
|
// 1234
|
|
// asdfasdfasdfasdfasdf
|
|
//
|
|
// 0
|
|
//
|
|
fullblock.Clear();
|
|
bool IsAllZeros = true;
|
|
int n = filestream.Read(datablock, 0, datablock.Length);
|
|
if (n <= 0) break;
|
|
sizeblock = Encoding.UTF8.GetBytes(string.Format("{0}\r\n", n));
|
|
try
|
|
{
|
|
for (int j = 0; j < datablock.Length; j++)
|
|
{
|
|
if (!datablock[j].Equals(Zero))
|
|
{
|
|
IsAllZeros = false;
|
|
break;
|
|
}
|
|
}
|
|
if (!IsAllZeros)
|
|
{
|
|
if (!skipblock)
|
|
{
|
|
fullblock.AddRange(sizeblock);
|
|
fullblock.AddRange(datablock);
|
|
fullblock.AddRange(endblock);
|
|
http.Write(fullblock.ToArray(), 0, fullblock.Count);
|
|
bytessent += n;
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileProgress, "SendData Start", "Disk Copy", (ulong)bytessent, (ulong)filesize));
|
|
Thread.Sleep(100);
|
|
}
|
|
else
|
|
{
|
|
Exception ex = new Exception("Skipped Empty");
|
|
throw new ReConnectException(string.Format("{0}", bytessent), ex);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bytessent += n;
|
|
skipblock = true;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
log.DebugFormat("EXCEPTION: {0} : {1}", ex.GetType(), ex.Message);
|
|
throw new ReConnectException(string.Format("{0}", bytessent), ex);
|
|
}
|
|
|
|
string str1 = string.Format(">>> {0} <<< Block {1} : Total {2} : Full {3} Skipped: {4}\r",
|
|
i++,
|
|
n.ToString("N0", CultureInfo.InvariantCulture),
|
|
bytessent.ToString("N0", CultureInfo.InvariantCulture),
|
|
filesize.ToString("N0", CultureInfo.InvariantCulture),
|
|
skipblock);
|
|
log.Debug(Encoding.ASCII.GetString(Encoding.UTF8.GetBytes(str1)));
|
|
|
|
Thread.Sleep(100);
|
|
}
|
|
|
|
http.Write(finalblock, 0, finalblock.Length);
|
|
http.Flush();
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileComplete, "SendData Completed", "Disk Copy", (ulong)bytessent, (ulong)filesize));
|
|
|
|
string str2 = string.Format("=== {0} === Total {1} : Full {2}\r",
|
|
i++,
|
|
bytessent.ToString("N0", CultureInfo.InvariantCulture),
|
|
filesize.ToString("N0", CultureInfo.InvariantCulture));
|
|
log.Debug(Encoding.ASCII.GetString(Encoding.UTF8.GetBytes(str2)));
|
|
}
|
|
|
|
internal void SendData(Stream http, Stream filestream, string p2vUri, long filesize)
|
|
{
|
|
byte[] block = new byte[MB];
|
|
ulong p = 0;
|
|
int n = 0;
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileStart, "SendData Start", "Disk Copy", 0, (ulong)filesize));
|
|
while (true)
|
|
{
|
|
|
|
try
|
|
{
|
|
n = filestream.Read(block, 0, block.Length);
|
|
if (n <= 0) break;
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileProgress, "SendData Start", "Disk Copy", p, (ulong)filesize));
|
|
if (Cancel)
|
|
{
|
|
log.Warn("OVF.Tools.Http.SendData IMPORT CANCELED: resulting vm may be bad.");
|
|
throw new OperationCanceledException("Import canceled.");
|
|
}
|
|
http.Write(block, 0, n);
|
|
p += (ulong)n;
|
|
if (p >= (ulong)filesize)
|
|
break;
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
throw;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
log.ErrorFormat("OVF.Tools.Http.SendData FAILED {0}", ex.Message);
|
|
throw;
|
|
}
|
|
}
|
|
http.Flush();
|
|
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.FileComplete, "SendData Completed", "Disk Copy", p, (ulong)filesize));
|
|
}
|
|
|
|
internal string ReadLine(Stream stream)
|
|
{
|
|
StringBuilder messageData = new StringBuilder();
|
|
do
|
|
{
|
|
stream.ReadTimeout = 10000;
|
|
try
|
|
{
|
|
int i = stream.ReadByte();
|
|
if (i > 0)
|
|
{
|
|
char b = (char)i;
|
|
messageData.Append(b);
|
|
if (b == '\n') break;
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
break;
|
|
}
|
|
} while (true);
|
|
return messageData.ToString();
|
|
}
|
|
internal void WriteLine(Stream stream, string line)
|
|
{
|
|
byte[] message = Encoding.UTF8.GetBytes(line);
|
|
stream.Write(message, 0, message.Length);
|
|
stream.Flush();
|
|
}
|
|
internal void WriteBuffer(Stream stream, string line)
|
|
{
|
|
byte[] message = Encoding.UTF8.GetBytes(line);
|
|
stream.Write(message, 0, message.Length);
|
|
}
|
|
internal int GetResultCode(string line)
|
|
{
|
|
string[] bits = line.Split(new char[] { ' ' });
|
|
if (bits.Length < 2) return 0;
|
|
return Int32.Parse(bits[1]);
|
|
}
|
|
internal void MarshalResponse(Stream stream, Tag t)
|
|
{
|
|
MarshalBaseTypes.MarshalInt(stream, 4 + 4);
|
|
MarshalTag(stream, Tag.Response);
|
|
MarshalTag(stream, t);
|
|
}
|
|
internal void MarshalTag(Stream stream, Tag tag)
|
|
{
|
|
MarshalBaseTypes.MarshalInt(stream, (int)tag);
|
|
}
|
|
internal bool ValidateServerCertificate(
|
|
object sender,
|
|
X509Certificate certificate,
|
|
X509Chain chain,
|
|
SslPolicyErrors sslPolicyErrors)
|
|
{
|
|
// Do allow this client to communicate with unauthenticated servers.
|
|
return true;
|
|
}
|
|
internal Stream Connect(String hostname, int port)
|
|
{
|
|
|
|
//tcpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
|
|
//tcpSocket.Blocking = true;
|
|
//tcpSocket.NoDelay = true;
|
|
//tcpSocket.LingerState = new LingerOption(true, 10);
|
|
//tcpSocket.SendTimeout = 50000;
|
|
//tcpSocket.Connect(hostname, port);
|
|
//NetworkStream stream = new NetworkStream(tcpSocket);
|
|
tcpClient = new TcpClient(hostname, port);
|
|
tcpClient.NoDelay = true;
|
|
tcpClient.LingerState = new LingerOption(true, 10);
|
|
tcpClient.SendTimeout = 50000;
|
|
NetworkStream stream = tcpClient.GetStream();
|
|
if (port == 443)
|
|
{
|
|
// Create an SSL stream that will close the client's stream.
|
|
SslStream sslStream = new SslStream(stream, false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
|
|
try
|
|
{
|
|
sslStream.AuthenticateAsClient("", null, SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12, true);
|
|
}
|
|
catch
|
|
{
|
|
if (tcpClient != null)
|
|
tcpClient.Close();
|
|
return null;
|
|
}
|
|
return sslStream;
|
|
}
|
|
return stream;
|
|
}
|
|
}
|
|
|
|
[Serializable]
|
|
public class ReConnectException : Exception
|
|
{
|
|
public ReConnectException()
|
|
: base()
|
|
{
|
|
|
|
}
|
|
public ReConnectException(string message)
|
|
: base(message)
|
|
{
|
|
|
|
}
|
|
public ReConnectException(string message, Exception ex)
|
|
: base(message, ex)
|
|
{
|
|
|
|
}
|
|
}
|
|
public class MarshalBaseTypes
|
|
{
|
|
public static uint UnmarshalInt32(Stream stream)
|
|
{
|
|
uint a = (uint)stream.ReadByte();
|
|
uint b = (uint)stream.ReadByte();
|
|
uint c = (uint)stream.ReadByte();
|
|
uint d = (uint)stream.ReadByte();
|
|
//Console.WriteLine("a = " + a + " b = " + b + " c = " + c + " d = " + d);
|
|
return (a << 0) | (b << 8) | (c << 16) | (d << 24);
|
|
}
|
|
public static void MarshalInt32(Stream stream, uint x)
|
|
{
|
|
uint mask = 0xff;
|
|
stream.WriteByte((byte)((x >> 0) & mask));
|
|
stream.WriteByte((byte)((x >> 8) & mask));
|
|
stream.WriteByte((byte)((x >> 16) & mask));
|
|
stream.WriteByte((byte)((x >> 24) & mask));
|
|
}
|
|
public static int UnmarshalInt(Stream stream)
|
|
{
|
|
return (int)UnmarshalInt32(stream);
|
|
}
|
|
public static void MarshalInt(Stream stream, int x)
|
|
{
|
|
MarshalInt32(stream, (uint)x);
|
|
}
|
|
public static byte[] Unmarshaln(Stream stream, uint n)
|
|
{
|
|
byte[] buffer = new byte[n];
|
|
int toread = (int)n;
|
|
int offset = 0;
|
|
while (toread > 0)
|
|
{
|
|
int nread = stream.Read(buffer, offset, toread);
|
|
offset = nread; toread -= nread;
|
|
}
|
|
return buffer;
|
|
}
|
|
public static string UnmarshalString(Stream stream)
|
|
{
|
|
uint length = UnmarshalInt32(stream);
|
|
byte[] buffer = Unmarshaln(stream, length);
|
|
Decoder decoder = Encoding.UTF8.GetDecoder();
|
|
char[] chars = new char[decoder.GetCharCount(buffer, 0, (int)length)];
|
|
decoder.GetChars(buffer, 0, (int)length, chars, 0);
|
|
return new string(chars);
|
|
}
|
|
public static void MarshalString(Stream stream, string x)
|
|
{
|
|
MarshalInt(stream, x.Length);
|
|
char[] c = x.ToCharArray();
|
|
Encoder encoder = Encoding.UTF8.GetEncoder();
|
|
byte[] bytes = new byte[encoder.GetByteCount(c, 0, c.Length, true)];
|
|
encoder.GetBytes(c, 0, c.Length, bytes, 0, true);
|
|
stream.Write(bytes, 0, bytes.Length);
|
|
}
|
|
}
|
|
|
|
}
|